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\n\n29\nItems in Unit\n\n
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\n\"Geometry\n\n
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\nLesson Planet Curated\n
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\nGeometry Unit 9: Area of Polygons\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nSix lessons make up the Geometry Unit 9: Area of Polygons unit module. Pupils review the formulas for finding the area of parallelograms and triangles. They apply previous learning of trigonometric ratios and the Pythagorean Theorem to...\n
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\n\n37\nItems in Unit\n\n
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\n\"Geometry\n\n
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\nLesson Planet Curated\n
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\nGeometry Unit 5: Quadrilaterals and Polygons\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nOne's knowledge of angles should measure up to expectations. Scholars watch a video to learn about angles in polygons. They first see how to partition a polygon into triangles to find the sum of the interior angle measures. They then...\n
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\n\n33\nItems in Unit\n\n
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\n\"Geometry\n\n
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\nLesson Planet Curated\n
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\nGeometry Unit 10: Surface Area and Volume\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nGeometry Unit 10 contains six resources that cover surface area and volume. Scholars first watch a video explaining the basic terminology of three-dimensional figures, such as prisms, lateral edges, bases, and faces. They then learn how...\n
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\n\n12\nItems in Topic\n\n
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\n\"Math\n\n
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\nLesson Planet Curated\n
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\nMath Antics Geometry Video Lessons\n

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\n\nFor Teachers\n\n4th - 8th\n\nStandards\n
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\nThe point of this collection of 12 videos is to introduce learners to three basic parts of geometry—points, lines, and planes. The presenter provides definitions, shows how to classify shapes, provides examples, and shows how to use...\n
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\n\n12\nItems in Course\n\n
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\n\"Flipped\n\n
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\nLesson Planet Curated\n
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\nFlipped Math: Geometry\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nImagine taking a complete geometry course remotely! Eleven units make up the My Geometry course. Each unit follows the Flipped-Mastery cycle of learning, divided into two semesters. Pupils watch and take notes on a video that details the...\n
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Instructional Video20:13
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\n\"Regular\n\n
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\nFlipped Math\n
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\nRegular Polygons\n

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\n\nFor Students\n\n9th - 12th\n
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\nMake area a regular affair. By dividing a regular polygon into triangles, pupils see how the area formula works. Learners watch several examples of finding the area of various regular polygons before practicing how to find the area of...\n
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\n\"Area\n\n
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\nCurated OER\n
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\nArea and Perimeter\n

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\n\nFor Teachers\n\n10th\n
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\nLearners find the area and perimeter of regular polygons and composite figures and examine the effect on the area and perimeter of a figure if the dimensions are multiplied by a constant. The nine page worksheet contains thirty-seven...\n
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\n\"Developing\n\n
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\nHoughton Mifflin Harcourt\n
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\nDeveloping Formulas for Circles and Regular Polygons \n

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\n\nFor Teachers\n\n6th - 10th\n\nStandards\n
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\nFormulas and procedures for finding the area and circumference are not provided on this handout, so it will be best used as a practice of already-acquired skills. It is a well-rounded assignment, however, as it includes diagrams,...\n
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Instructional Video5:37
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\n\"What\n\n
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\nCurated OER\n
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\nWhat is a Regular Polygon?\n

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\n\nFor Teachers\n\n5th - 8th\n
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\nWhat makes a polygon a regular polygon? Does this mean there are irregular polygons? For a polygon to be classified as a regular polygon, all the sides must be congruent and all the angles must be congruent. Those are the two rules that...\n
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\n\"Regular\n\n
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\nIllustrative Mathematics\n
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\nRegular Tessellations of the Plane\n

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\n\nFor Teachers\n\n9th - 11th\n\nStandards\n
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\nBringing together the young artists and the young organizers in your class, this lesson takes that popular topic of tessellations and gives it algebraic roots. After covering a few basic properties and definitions, learners attack the...\n
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\n\"Drawing\n\n
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\nDrawing Regular Polygons\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nLearners investigate properties of regular polygons. In this geometry lesson, your class will use a graphing calculator and parametric equations to construct regular polygons and investigate the relationship between the measure of...\n
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Instructional Video7:29
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\n\"Perimeter\n\n
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\nMath Antics\n
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\nPerimeter\n

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\n\nFor Students\n\n4th - 8th\n\nStandards\n
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\nDiscover the distance all the way around. The video introduces the concept of the perimeter of a figure. An explanation shows how to find the perimeter of a variety of polygons along with regular polygons. The presentation...\n
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\n\"Construction\n\n
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\nTexas Instruments\n
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\nConstruction Regular Polygons\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nLearners investigate the process necessary to construct regular polygons. They explore the degree measures of the angles in a regular polygon. Using this information and technology in the form of Cabri Jr., your pupils will construct...\n
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\n\"Areas\n\n
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\nTexas Instruments\n
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\nAreas of Regular Polygons and Circles\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nLearners explore area of polygons and regular polygons in this math activity. They calculate the area of several polygons using Cabri Jr. and analyze shapes and write formulas to solve for the area.\n
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\n\"Powerful\n\n
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\nPowerful Polygons\n

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\n\nFor Teachers\n\n2nd - 4th\n
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\nStudents scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the \"Math is Fun\" web site. Students go outside...\n
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Assessment9:45
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\n\"Angles\n\n
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\nMathed Up!\n
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\nAngles in Polygons\n

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\n\nFor Students\n\n8th - 10th\n\nStandards\n
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\nShow your class that finding angle measures is a regular calculation with a resource that provides 12 problems dealing with the measures of angles in regular polygons. Pupils use formulas for the sum of measures of angles in a polygon to...\n
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\n\"Angles\n\n
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\nOdell Education\n
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\nAngles in Polygons\n

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\nPolygons — it's all about the angles. Groups work with dynamic geometry software to find the sum of the measures of the angles of various polygons. After finding the information for several polygons, the groups generate a formula that...\n
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\n\"Common\n\n
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\nWillow Tree\n
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\nCommon Geometric Figures\n

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\n\nFor Students\n\n8th - 11th\n\nStandards\n
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\nGeometry could be called the study of figures. An overview of the figures found in a typical geometry course contains a study of different triangles, quadrilaterals, and regular polygons. \n
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\n\"Area\n\n
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\nArea and Perimeter of Regular Polygons - An Extension\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nPupils explore the relationship between area and perimeter of polygons.They measure the area and perimeter of regular polygons inscribed in a circle. Learners then discuss how as the number of sides of a regular polygon increase, the...\n
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Instructional Video18:47
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\n\"Polygon\n\n
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\nPolygon Angles\n

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\n\nFor Students\n\n9th - 12th\n
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\nOne's knowledge of angles should measure up to expectations. Scholars watch a video to learn about angles in polygons. They first see how to partition a polygon into triangles to find the sum of the interior angle measures. They then...\n
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Instructional Video16:02
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\nUnit 9 Review: Area of Polygons\n

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\n\nFor Students\n\n9th - 12th\n\nStandards\n
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\nIt's time to show what you know! Individuals first review finding the area of polygons using the formulas from parallelograms to regular polygons. They then brush up on finding the area and circumference of circles, as well as reviewing...\n
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Unit Plan
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\n\"The\n\n
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\nRadford University\n
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\nThe Puppy’s Empire\n

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\n\nFor Teachers\n\n9th - 12th\n\nStandards\n
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\nDogs can't do math ... but people sure can! A set of five lessons has scholars apply math concepts to solve problems related to buying a new dog, such as designing a fence and a dog house, estimating how large the dog will become, and...\n
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Worksheet
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\n\"Tessellations\n\n
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\nCurated OER\n
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\nTessellations\n

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\n\nFor Students\n\n10th\n
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\nIn this tessellations worksheet, 10th graders solve 6 different types of tessellation problems that includes drawing. First, they define polygon, regular polygon, tessellation, regular tessellation, and semi-regular tessellation. Then,...\n
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\n\"Perimeter\n\n
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\nPerimeter of Polygons\n

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\n\nFor Teachers\n\n8th\n
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\nEighth graders discuss perimeter by relating it to the path they would take while walking their dog around a park. They find the perimeter of regular polygons and one irregular polygon. Students use graph paper to draw their own examples...\n
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